invent proper signalPowerdB enums and use them

[enigma2.git] / lib / python / Components / HelpMenuList.py

diff --git a/lib/python/Components/HelpMenuList.py b/lib/python/Components/HelpMenuList.py
index 103727a7520708b8be660020612b38c356fe65ff..7dc51faeed6fc68fb2be8a6c3c00b5b91e2163f9 100644 (file)
--- a/lib/python/Components/HelpMenuList.py
+++ b/lib/python/Components/HelpMenuList.py
@@ -36,25 +36,28 @@ class HelpMenuList(GUIComponent):
                self.l.setList(l)
                
                self.l.setFont(0, gFont("Regular", 26))
+               self.l.setItemHeight(42)
        
        def ok(self):
                # a list entry has a "private" tuple as first entry...
-               l = self.l.getCurrentSelection()[0]
-               
+               l = self.getCurrent()
+               if l is None:
+                       return
                # ...containing (Actionmap, Context, Action, keydata).
                # we returns this tuple to the callback.
                self.callback(l[0], l[1], l[2])
        
        def getCurrent(self):
-               return self.l.getCurrentSelection()[0]
+               sel = self.l.getCurrentSelection()
+               return sel and sel[0]
 
        GUI_WIDGET = eListbox
 
        def postWidgetCreate(self, instance):
                instance.setContent(self.l)
-               instance.setItemHeight(42)
+
                instance.selectionChanged.get().append(self.selectionChanged)
-               
+
        def selectionChanged(self):
                for x in self.onSelChanged:
                        x()